Home / 699,465.15-1,049,195.30-299,846.79

Finding the Fourth Proportional to 699,465.15, 1,049,195.30 and 299,846.79

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Solution

The fourth proportional to 699,465.15, 1,049,195.30 and 299,846.79 is: 449,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,465.15 : 1,049,195.30 = 299,846.79 : x
  2. Step 2: Convert to fraction form
    699,465.15/1,049,195.30 = 299,846.79/x
  3. Step 3: Cross multiply
    699,465.15x = 1,049,195.30 × 299,846.79
  4. Step 4: Simplify right side
    699,465.15x = 314,597,841,288.85
  5. Step 5: Solve for x
    x = 314,597,841,288.85/699,465.15
  6. Step 6: Final answer
    x = 449,769.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.